/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.neo4j.cypher.internal.rewriting.rewriters

import org.neo4j.cypher.internal.expressions.Expression
import org.neo4j.cypher.internal.util.helpers.PartialFunctionSupport

case class PredicateNormalizerChain(normalizers: PredicateNormalizer*) extends PredicateNormalizer {

  final override val extract: PartialFunction[AnyRef, IndexedSeq[Expression]] =
    PartialFunctionSupport.reduceAnyDefined(normalizers.map(_.extract))(IndexedSeq.empty[Expression])(_ ++ _)

  final override val replace: PartialFunction[AnyRef, AnyRef] =
    PartialFunctionSupport.composeIfDefined(normalizers.map(_.replace))
}
